102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
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#include <stdio.h>
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#include <stdlib.h>
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#include "Misc.h"
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namespace W32Util
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{
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//shamelessly taken from http://www.catch22.org.uk/tuts/tips.asp
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void CenterWindow(HWND hwnd)
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{
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HWND hwndParent;
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RECT rect, rectP;
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int width, height;
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int screenwidth, screenheight;
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int x, y;
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//make the window relative to its parent
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hwndParent = GetParent(hwnd);
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if (!hwndParent)
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return;
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GetWindowRect(hwnd, &rect);
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GetWindowRect(hwndParent, &rectP);
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width = rect.right - rect.left;
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height = rect.bottom - rect.top;
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x = ((rectP.right-rectP.left) - width) / 2 + rectP.left;
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y = ((rectP.bottom-rectP.top) - height) / 2 + rectP.top;
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screenwidth = GetSystemMetrics(SM_CXSCREEN);
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screenheight = GetSystemMetrics(SM_CYSCREEN);
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//make sure that the dialog box never moves outside of
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//the screen
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if(x < 0) x = 0;
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if(y < 0) y = 0;
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if(x + width > screenwidth) x = screenwidth - width;
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if(y + height > screenheight) y = screenheight - height;
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MoveWindow(hwnd, x, y, width, height, FALSE);
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}
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HBITMAP CreateBitmapFromARGB(HWND someHwnd, DWORD *image, int w, int h)
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{
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BITMAPINFO *bitmap_header;
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static char bitmapbuffer[sizeof(BITMAPINFO)+16];
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memset(bitmapbuffer,0,sizeof(BITMAPINFO)+16);
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bitmap_header=(BITMAPINFO *)bitmapbuffer;
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bitmap_header->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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bitmap_header->bmiHeader.biPlanes = 1;
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bitmap_header->bmiHeader.biBitCount = 32;
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bitmap_header->bmiHeader.biCompression = BI_RGB;
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bitmap_header->bmiHeader.biWidth = w;
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bitmap_header->bmiHeader.biHeight = -h;
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((unsigned long *)bitmap_header->bmiColors)[0] = 0x00FF0000;
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((unsigned long *)bitmap_header->bmiColors)[1] = 0x0000FF00;
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((unsigned long *)bitmap_header->bmiColors)[2] = 0x000000FF;
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HDC dc = GetDC(someHwnd);
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HBITMAP bitmap = CreateDIBitmap(dc,&bitmap_header->bmiHeader,CBM_INIT,image,bitmap_header,DIB_RGB_COLORS);
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ReleaseDC(someHwnd,dc);
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return bitmap;
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}
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void NiceSizeFormat(size_t size, char *out)
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{
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char *sizes[] = {"b","KB","MB","GB","TB","PB","EB"};
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int s = 0;
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int frac = 0;
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while (size>1024)
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{
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s++;
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frac = (int)size & 1023;
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size /= 1024;
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}
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float f = (float)size + ((float)frac / 1024.0f);
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sprintf(out,"%3.1f %s",f,sizes[s]);
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}
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BOOL CopyTextToClipboard(HWND hwnd, TCHAR *text)
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{
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OpenClipboard(hwnd);
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EmptyClipboard();
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HANDLE hglbCopy = GlobalAlloc(GMEM_MOVEABLE, (strlen(text) + 1) * sizeof(TCHAR));
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if (hglbCopy == NULL)
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{
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CloseClipboard();
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return FALSE;
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}
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// Lock the handle and copy the text to the buffer.
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TCHAR *lptstrCopy = (TCHAR *)GlobalLock(hglbCopy);
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strcpy(lptstrCopy, text);
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lptstrCopy[strlen(text)] = (TCHAR) 0; // null character
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GlobalUnlock(hglbCopy);
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SetClipboardData(CF_TEXT,hglbCopy);
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CloseClipboard();
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return TRUE;
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}
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}
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